1. V.G. Neudaechin, B.G. Struzhko, and V.M. Lebedev, Phys. Part. Nucl. 36, 468 (2005).
2. O. V. Levitskaya, Cand. Sci. (Phys. Math.) Dissertation (Peterb. Inst. Nucl. Phys., Gatchina, 2007).
3. I. D. Fedorets and S. S. Radkevich, Vestn. Khar’k. Univ., No. 642, 3 (2004)
4. O. V. Levitskaya et al., Preprint No. NR-14–1996 PIYad. Fiz. (St. Petersburg Nucl. Phys. Inst., Gatchina, 1996)
5. M. I. Adamovich et al., Eur. Phys. J. A 6, 421 (1999)